Vocabulary
What do you call objects that allow all light to pass through them?
Transparent objects
What do you call objects that do not allow any light to pass through them?
Opaque objects
What makes a pencil look broken when it is placed in a cup of water?
Refraction
Why do you see lightning before you hear thunder?
Light travels faster than sound.
What color coat would help you feel warmer on a cold sunny day- white or black?
Black
What is the term for when light waves bounce off an object?
Reflection
What do you call objects that allow some light to pass through them?
Translucent objects
What travels faster, light or sound?
Light
Explain an example of when light reflects and an example of when light refracts.
Reflect- mirror, reflectors, etc. Refract- straw in water, arm in pool, etc.
Explain why it feels cooler when you are sitting in the shade on a hot sunny day.
The sunlight does not hit you so you are not absorbing light energy.
How do you measure wavelength?
Distance from crest to crest
What is the term for when light waves bend when passing from one medium to another?
Refraction
Light can travel through objects. It can also do 3 different things. What are they?
Light can be reflected, refracted, and absorbed.
Explain why a shadow appears on the screen when I place my hand in front of it.
My hand blocks the sun from hitting the whiteboard
List the colors of the rainbow in order.
Red, orange, yellow, green, blue, indigo, violet
Give three examples of transparent objects.
Answers will vary
What tool can be used to separate white light into all colors of visible light?
A prism
What color of ROY G BIV has the shortest wavelength but highest frequency?
Violet
I shine a light through an object. The light scatters after being transmitted through the object. What type of object is it?
Translucent
All the colors of the rainbow are considered the ______
visible light spectrum
What is a medium?
Something that light travels through.
What color on the visible light spectrum has the longest wavelength but the lowest frequency.
Red
Explain what glasses do to the light.
Refract the image to make it clearer.
Explain what the reason why someone would be using an aluminum board while tanning.
The aluminum board allows light to be reflected onto her face
You are looking at a banana. Explain which colors are being absorbed and reflected.
Yellow is reflected and ROGBIV are absorbed